518001560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{40093}}^1$

素因数の和:40140

約数の個数: 64

約数和(自身を含む): 1299045600

約数和(自身を除く): 781044040

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 40093, 80186, 160372, 200465, 320744, 400930, 681581, 761767, 801860, 1363162, 1523534, 1603720, 2726324, 3047068, 3407905, 3808835, 5452648, 6094136, 6815810, 7617670, 12950039, 13631620, 15235340, 25900078, 27263240, 30470680, 51800156, 64750195, 103600312, 129500390, 259000780, 518001560]

約数ペア:

[(1, 518001560), (2, 259000780), (4, 129500390), (5, 103600312), (8, 64750195), (10, 51800156), (17, 30470680), (19, 27263240), (20, 25900078), (34, 15235340), (38, 13631620), (40, 12950039), (68, 7617670), (76, 6815810), (85, 6094136), (95, 5452648), (136, 3808835), (152, 3407905), (170, 3047068), (190, 2726324), (323, 1603720), (340, 1523534), (380, 1363162), (646, 801860), (680, 761767), (760, 681581), (1292, 400930), (1615, 320744), (2584, 200465), (3230, 160372), (6460, 80186), (12920, 40093)]